Removed -[CRWWebDelegate webWillReload] callback.

ios/web/web_state/ui/crw_web_controller.mm

Index: ios/web/web_state/ui/crw_web_controller.mm
diff --git a/ios/web/web_state/ui/crw_web_controller.mm b/ios/web/web_state/ui/crw_web_controller.mm
index 864dda6e8d67694392fdfa5982ab100413e75260..9cbcf0d33fdc4f5f04138988afd111053684f71a 100644
--- a/ios/web/web_state/ui/crw_web_controller.mm
+++ b/ios/web/web_state/ui/crw_web_controller.mm
@@ -612,9 +612,6 @@ NSError* WKWebViewErrorWithSource(NSError* error, WKWebViewErrorSource source) {
 // YES if the navigation to |url| should be treated as a reload.
 - (BOOL)shouldReload:(const GURL&)destinationURL
           transition:(ui::PageTransition)transition;
-// Internal implementation of reload. Reloads without notifying the delegate.
-// Most callers should use -reload instead.
-- (void)reloadInternal;
 // Aborts any load for both the web view and web controller.
 - (void)abortLoad;
 // Updates the internal state and informs the delegate that any outstanding load
@@ -2024,9 +2021,7 @@ registerLoadRequestForURL:(const GURL&)requestURL
           destinationURL == item->GetOriginalRequestURL());
 }
 
-// Reload either the web view or the native content depending on which is
-// displayed.
-- (void)reloadInternal {
+- (void)reload {
   // Clear last user interaction.
   // TODO(crbug.com/546337): Move to after the load commits, in the subclass
   // implementation. This will be inaccurate if the reload fails or is
@@ -2062,11 +2057,6 @@ registerLoadRequestForURL:(const GURL&)requestURL
   }
 }
 
-- (void)reload {
-  [_delegate webWillReload];
-  [self reloadInternal];
-}
-
 - (void)abortLoad {
   [_webView stopLoading];
   [_pendingNavigationInfo setCancelled:YES];